Table 2.
Measured and derived signals in plateau and unstable MAP cohorts
| Plateau wave recordings | Unstable MAP recordings | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Baseline | Plateau | Lowest 10% of MAP | Highest 10% of MAP | |||||||
| Mean | SD | Mean | SD | p value | Mean | SD | Mean | SD | p value | |
| MAP (mm Hg) | 96.93 | 10.12 | 95.06 | 8.39 | 0.52 | 71.96 | 15.96 | 103.65 | 20.05 | 0.0002 |
| A1 (mm Hg) | 16.41 | 2.32 | 15.96 | 2.25 | 0.53 | 15.61 | 3.76 | 19.10 | 5.30 | 0.07 |
| ICP (mm Hg) | 25.60 | 5.92 | 50.12 | 8.66 | <0.0001 | 21.8 | 10.58 | 20.65 | 10.64 | 0.78 |
| AMP (mm Hg) | 2.23 | 0.73 | 6.41 | 1.64 | <0.0001 | 2.51 | 2.16 | 1.71 | 1.15 | 0.25 |
| CPP (mm Hg) | 71.34 | 12.73 | 44.94 | 10.29 | <0.0001 | 50.16 | 14.91 | 83.00 | 19.77 | <0.0001 |
| sPI (a.u.) | 0.29 | 0.16 | 0.48 | 0.23 | 0.004 | 0.51 | 0.27 | 0.28 | 0.12 | 0.01 |
MAP mean arterial pressure, CPP cerebral perfusion pressure, ICP intra-cranial pressure, AMP fundamental amplitude of ICP, PI pulsatility index, mm Hg millimeter of Mercury, SD standard deviation, A1 fundamental amplitude of arterial blood pressure